Cal. Wat. Code § 33202
The City of Costa Mesa was incorporated on June 29, 1953, primarily for the purpose of providing municipal functions and services, including the providing of a water supply to its area; the Newport Heights Irrigation District was formed on August 5, 1918, primarily for providing a water supply to its land and inhabitants; the Fairview County Water District was formed on October 5, 1946, primarily for supplying water to its lands and inhabitants; and the Newport Mesa County Water District was formed on July 26, 1954, primarily for the purpose of supplying water to its land and inhabitants and to replace the Newport Mesa Irrigation District; that there is an overlapping, in whole or in part, of some of these districts and total contiguity, in that all of the districts and the city form a single contiguous unit. The new Costa Mesa County Water District, if formed, will include substantially all of the City of Costa Mesa within its boundaries.
Ca. Water Code § 33202